while measuring the length of a pencil , the reading of the scale at one end is 5.5cm and at theother end is 9.1 cm . what is the length of the needle ?
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Explanation:
Here; reading at the beginning point = 3.0 cm
Reading at the end point = 33.1 cm
Measurement = Final reading – Initial reading
= 33.1 – 3.0 = 30.1 cm
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